1030390 has 16 divisors (see below), whose sum is σ = 1868832. Its totient is φ = 409024.

The previous prime is 1030369. The next prime is 1030411. The reversal of 1030390 is 930301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1030369) and next prime (1030411).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (116802).

2^1030390 is an apocalyptic number.

1030390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030390 is a deficient number, since it is larger than the sum of its proper divisors (838442).

1030390 is a wasteful number, since it uses less digits than its factorization.

1030390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1030390 is about 1015.0812775340. The cubic root of 1030390 is about 101.0029081279.

Adding to 1030390 its reverse (930301), we get a palindrome (1960691).

The spelling of 1030390 in words is "one million, thirty thousand, three hundred ninety".